REPAIR/REPLACEMENT OF MS AND GI WATER PIPELINES WITH CONNECTED WORKS AND SYSTEM EARTHINGS AT HQ DGIS, HQ CAMS AND HQ DELHI AREA AC PLANTS UNDER GE UTILITY PLANT AND MACHINERY DELHI CANTT-10.

Amount

M&L for cutting of existing MS/GI water mains of size 25 to 50 mm dia of chiller/condensor/cooling towers & GI pipes of make-up tanks of central AC plant at different points/section for replacement with new MS pipe in short lengths including MS fittings complete all specified and as directed by Engineer-in-Charge.

All as per item No. 1 here-in-before but of size 80 mm.

All as per item No. 1 here-in-before but of size 100 mm.

All as per item No. 1 here-in-before but of size 125 mm.

All as per item No. 1 above but of size 150 mm.

All as per item No. 1 above but of size 200 mm.

All as per item No. 1 above but of size 250 mm.

All as per item No. 1 above but of size 300 mm.

Taking out old unserviceable MS pipes and Supplying & laying , commissioning & testing mild steel (Heavy) 'C' class pipe of size 80 mm dia on exposed surface / underground (in trenches) including welding works, connections with existing chilled water line, chiller, pump, fabrication of bends, MS flange, tees, reducers, shoe, support (brick masonry block & wooden support for underground / MS angle- clamp & wooden support for exposed surface) along with priming coat of steel primer as per standard specification complete all specified and as directed by Engineer-in-Charge. Note:- (i) The rates quoted by the contractor shall deemed to include the cost of MS fittings required during laying of MS Pipes. (ii) The Pipes of sizes 150 mm & below shall be M.S. ‘C’ class as per IS : 1239 and pipes size above 150 mm shall be heavy class of thickness min. 7mm as per IS: 3589. (iii) Cost of excavation, returning, filling and removing shall be paid separately under relevant item.

All as per item No. 9 here-in-before but of size 100 mm.

All as per item No. 9 here-in-before but of size 125 mm.

All as per item No. 9 here-in-before but of size 150 mm.

All as per item No. 9 here-in-before but of size 200 mm.

All as per item No. 9 here-in-before but of size 250 mm.

All as per item No. 9 here-in-before but of size 300 mm.

Supplying & fixing, insulation on newly laid MS 'C' class pipe on exposed surface / underground of size 80 mm, with 50 mm thick thermocole ( polystyrene) pipe section along with hessian cloth, wire mesh, bitumen, & cement - sand plaster complete all specified and as directed by Engineer-in-Charge.

All as per item No. 16 here-in-before but of size 100 mm.

All as per item No. 16 here-in-before but of size 125 mm.

All as per item No. 16 here-in-before but of size 150 mm.

All as per item No. 16 here-in-before but of size 200 mm.

All as per item No. 16 here-in-before but of size 250 mm.

All as per item No. 16 here-in-before but of size 300 mm.

Supplying & fixing, insulation of existing MS ' C ' class pipe on exposed surface of size 150 mm dia, with 40 mm thick thermocole ( polystyrene) pipe section along with hessian cloth, wire mesh, bitumen, & aluminium sheet cladding, etc complete all as specified and directed by Engineer-in-Charge.

All as per item No. 23 here-in-before but of size 200 mm.

All as per item No. 23 here-in-before but of size 250 mm.

All as per item No. 23 here-in-before but of size 300 mm.

Taking out unserviceable old corroded GI water tubing 40/50 mm dia.

All as per item No. 27 here-in-before but of size 25 mm.

Supply and laying in trenches GI tubing 'Medium grade' of dia 50 mm with all fittings (such as bends, elbows, tees, short plugs, union etc) including taking down old unserviceable one complete all specified and as directed by Engineer-in-Charge. (Make : JINDAL/ TATA/ PRAKASH/ OSWAL) Note : Cost of excavation, returning, filling and removing shall be paid separately under relevant item

All as per item No. 29 here-in-before but of size 40 mm dia.

All as per item No. 29 here-in-before but of size 25 mm dia.

Screwing existing steel tubing of dia 40/50 mm for alterations or additions complete all specified and as directed by Engineer-in-Charge. (or lengthening screw on pipe to form connector)

All as per item No. 32 here-in-before but of size 25 mm dia.

Supply and fixing in repairs cast iron butter fly valves lever operated SS disc type nitrile/EPDM rubber lining PN 16 of dia 150 mm complete all as specified and directed by the Engr-in-Charge. (Make: - ADVANCE/ AUDCO/ LEADER/CASTLE/ NVR/ ZOLOTO).

All as per item No. 34 here-in-before but of size 200 mm dia.

All as per item No. 34 here-in-before but of size 250 mm dia.

All as per item No. 34 here-in-before but of size 300 mm dia.

Supply and fixing in repairs 100mm dia cast iron non return valves of pressure class PN 16 including nuts, bolts, washers, gaskets, etc for Central type AC plants complete all as specifed and directed by Engineer-in-Charge. (Make: - ADVANCE/ AUDCO/ LEADER/CASTLE/ NVR/ ZOLOTO).

All as per item No. 38 here-in-before but of size 150 mm dia.

All as per item No. 38 here-in-before but of size 250 mm dia.

Supply and fixing in repairs MS Pot Strainer of size 250 mm both ends flanged at DGIS AC plant complete all specified and as directed by Engineer-in-Charge. (Make: - ADVANCE/ AUDCO/ LEADER/CASTLE/ NVR/ ZOLOTO).

All as per item No. 41 here-in-before but of size 200 mm dia.

Supply and fixing in repairs gun metal gate valves with iron wheel head, screwed both ends for iron pipe, ISI Marked, as per IS:778 of size 25 mm bore complete all as specified and directed. (Make: - AUDCO/KIRLOSKAR/LEADER/NVR/ ZOLOTO).

All as per item No. 43 here-in-before but of size 40 mm dia.

All as per item No. 43 here-in-before but of size 50 mm dia.

Dismantling the existing water cooled condenser of capacity 115 TR of shell and tube type from it's pipe line and gas connection repairing the same by replacing the defective copper tubes of 15mm and 3000mm long by new pipes, cleaning the shell complete assembling the existing serviceable and new tubes, commissioning and testing upto 350 PSI pressure for satisfactory working complete all as specified and directed by Engineer-in-Charge. Note :- (i) Copper tubes of dia 15 mm and 3000mm long shall be measured and paid separately as 'Supply only' under relevent item. (ii) Taking down and fixing charge of copper tubes to be included in the quoted rate.

Supply only best quality copper tubes of thickness 1.26mm (18 SWG), dia 15mm and 3000mm longcomplete all specified and as directed by Engineer-in-Charge. (Make : Malasia/Camipro/Totaline) Note :- To be fixed under item No. 46.

Dismantling the existing water cooled condenser of capacity 220 TR of shell and tube type from it's pipe line and gas connection repairing the same by replacing the defective copper tubes of 19mm (3/4") and 2420 mm long by new pipes, cleaning the shell complete assembling the existing serviceable and new tubes, commissioning and testing upto 350 PSI pressure for satisfactory working complete all as specified and directed by Engineer-in-Charge. Note :- (i) Copper tubes of dia 19 mm and 3000mm long shall be measured and paid separately as 'Supply only' under relevent item. (ii) Taking down and fixing charge of copper tubes to be included in the quoted rate.

Supply only best quality copper tubes of thickness 1.26mm (18 SWG), dia 19 mm (3/4") and 2420 mm long complete all specified and as directed by Engineer-in-Charge. (Make : Malasia/Camipro/Totaline) Note :- To be fixed under item No. 48.

Taking out existing chiller pump motor of any capacity and type from the PCC foundation and material & labour for PCC 1:2:4 type B1 with (using 20mm graded stone aggregate) for foundation of motor as per existing size with 15mm thick rendering in CM 1:6 finished even and smooth with out using extra cement, grouting bolts, re-connecting the motor after complete of foundation work and making connections and testing, alignment complete all as specified and directed by Engineer-in-Charge.

Dismantling the existing old unserviceable Monoblock Pump of any capacity and supply and fixing new monoblock pump set of 3.0 HP (2.2 KW) suction/delivery of size 65 mm x 50 mm CI casted, head 14.0 Mtrs, discharge, 8.4 LPS, Stainless steel impeller & pump shaft, mechanical seal, including 3.0 HP electric motor, copper wounded with 'B' class insulation & IP-55 protected, Cast Iron body, suitable for voltage range 300 to 440 Volts, ISI Marked, including making all electrical connections and testing for any leakage complete all as specified and directred by Engineer-in-Charge. (Make - Kirloskar pumps Model No. KDS 325++ or of equivalent in Crompton Greaves/Best & Crompton/Beacon /KSS /Mother & Platt Grandfos)

Taking out all electrical connections including unserviceable squirrel cage induction motor of any capacity, S&F new squirrel cage induction motor of capacity 25 HP (18.5 KW), 3 phase, 440+ 10%, 50 Hz, 1440 RPM, IP-55, 4 Pole protected including necessary arrangements for mouting on existing angle iron frame, nuts, bolts and washers of suitable size, connecting with the existing 25 HP centrifugal pump complete all as specified and directed by Engineer-in-Charge. (Make-ABB/Crompton/Kirloskar/Siemens)

M & L for taking out electrical connections of the Hot water generator and complete overhauling the hot water generator including checking the Electrical Control cabinet housing the Main incomer, contactors, Fuse/MCB, Control module, Step Controller, Voltmeter, Ammeter, Pilot lights & Alarm, Pressure Gauges, Temp. Gauges, Hi. Temp thermostat, Temp. Sensors, Auto Air-vent, & Pressure Relief valve/switch for proper functioning and replacing the defective parts complete all as specified and directed by Engineer-in-Charge.

Disconnecting from mains/taking out existing unserviceable/defective centrifugal pump of capacity 25 HP of hot water generator of Central AC Plant, opening the pump, checking the impeller for any defects, replace the worn out baring ring of the impeller, stuffing box, back plates, gland packing mechanical seal and rusted nut, bolts etc assembling properly, greasing all movable parts and connecting up in existing position and testing complete all as specified and as directed by Engineer-in-Charge.

Taking out all electrical connections including unserviceable cooling tower motor, the motor from the cooling towers of 3x115 TR at HQ CAMS & 2 X 220 TR at HQ DGIS AC Plants, S&F new cooling tower motor of capacity 10 HP, 3 phase, 50 Hz, suitable for Voltage operation range 360-440 Volts, AC, RPM-900. Complete all as specified and directed by Engineer-in-Charge. (Make-ABB/OSWAL/Crompton/Kirloskar/KSS)

Supply and fixing in repairs of bottom tray for fan and coil section made out of MS sheet 1.6mm (16 guage) duly painted with two coat of synthetic enamel paint (1st grade quality) over a coat of red oxide primer with 25mm thick thermocoal insulation covered with tarfelt all as specified and as directed for AHU's complete all as speicifed and directed by Engr-in-charge. (Make of paint and primer : Asian/Berger/Shalimar/Johnson & Nicholson)

M & L for making high conductive ,corrosion resistant , CPRI approved maintenance free Chemical Earth pit for Servo Stablizers/Compressors made of brand 'Grip' or any other Equivalent brand having ISO 9001-2000 as approved by accepting officer comprising of chemical earth enhancing non ferrous compound containing no carbon or graphite filled in earth pit (Qty 50 Kg ) of bore hole of 200 to 250 mm and depth upto 3.3 mtr (approx) and comprising of "Fast earth electrode model F-84 MS (Double pipe technology based chemically pre- filled fully sealed earth electrode) or equivalent having ISO - 9001-2000 of size 88 mm outer dia and inner dia 48 mm and 3.00 mtr long made of high conductive Zinc coated Hot dip galvanized mild steel as per technically required to achieve resistance of 1-2 ohm along with heavy duty high density lockable plastic cover cum inspection chamber mounted on earthing electrode shall be fixed stainless steel fasteners including all other required accessories to complete the job of earth pit with earth termination to achieve rod resistance 1-2 ohms complete all specified and as directed by Engineer-in-Charge. Note :- it is anexpress condition of the contract that all the earthing process should be done by the approved company applicators only. (ii) The approved firm shall isuue a certificate that all the earthing has been carried out by their applicator only and they stands gaurantee for the same for a period of 02 years from the date of physical completion of work.

Supply, laying and testing cable XLPE insulated screened PVC bedded, galvanized steel strip , electric power cables (heavy duty) with Aluminium Conductor of size 630 Sqmm Single Core, 1100 Volts grade including cable glands, lugs, Saddling on wall (if required), nuts, bolts and washers of suitable size including taking out old unserviceable cable complete all specified and as directed by Engineer-in-Charge. (Make : Finolex/Universal cables/RPG/ KEI Industries)

Supply, laying and testing cable XLPE insulated screened PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) with Aluminium Conductor of size 400 Sqmm Single Core, 1100 Volts grade including cable glands, lugs, Saddling on wall (if required), nuts, bolts and washers of suitable size including taking out old cable complete all as specified and directed Engineer-in-Charge. (Make : Finolex/Universal cables/RPG/ KEI Industries)

Taking out the defective cooling coils of AHU of Central AC Plant at HQ Delhi Area Signal Exchange and supply and fixing of new cooling coils with dimensions length 1063mm, width 125mm, height 900mm and 04 row deep with 15mm (1/2") dia copper tube, and copper header dia of 50mm (2") and 750mm (30") long,including brazing work, nuts bolts and washers, commissioning and testing of AHU for satisfactory working complete all as specified and directed by Engineer-in-Charge

Taking out all electrical connections including unserviceable squirrel cage motor of any capacity, S&F new squirrel cage induction motor of capacity 10 HP (7.5 KW), 3 phase, 440+ 10%, 50 Hz, 1440 RPM, IP-55, 4 Pole protected including necessary arrangements for mouting on existing angle iron frame, nuts, bolts and washers of suitable size, connecting with the existing compressor complete all as specified and directed by Engineer-in-Charge. (Make-ABB/Crompton/kirloskar/Siemens)

Taking out all electrical connections including unserviceable squirrel cage motor of any capacity, S&F new squirrel cage induction motor of capacity 7.5 HP (5.5 KW), 3 phase, 440+ 10%, 50 Hz, 1440 RPM, IP-55, 4 Pole protected including necessary arrangements for mouting on existing angle iron frame, nuts, bolts and washers of suitable size, connecting with the existing AHU blower complete all as specified and directed by Engineer-in-Charge. (Make-ABB/Crompton/kirloskar/Siemens)

Taking out all electrical connections including unserviceable squirrel cage motor of any capacity, S&F new squirrel cage induction motor of capacity 5 HP (3.7 KW), 3 phase, 440+ 10%, 50 Hz, 1440 RPM, IP-55, 4 Pole protected including necessary arrangements for mouting on existing angle iron frame, nuts, bolts and washers of suitable size, connecting with the existing AHU blower complete all as specified and directed by Engineer-in-Charge. (Make-ABB/Crompton/kirloskar/Siemens)

Supply and fixing in repairs DOL starters for motors upto 7.5 HP capacity with suitable rating relay, suitable for mounting on existing LT Panels of AC plants and connections with suitable size single core copper conductor wire complete all as specified and directed by Engr-in-Charge. (Make -L&T/Siemens/Legrand/ ABB/Crompton.)

Supply and fixing in repairs Star Delta starters for motors between 10-15 HP capacity with suitable rating relay, suitable for mounting on existing LT Panels of AC plants and connections with suitable size single core copper conductor wire complete all as specified and directed by Engr-in-Charge. (Make -L&T/Siemens/Legrand/ ABB/Crompton.)

M&L for on line Dehydration/filteration of Servo Voltage Stablizer oil including filteration using automatic centrifuging machine minimum three cycles to achieve dielectric strength 40 to 60 KV breaking capacity at 2.5mm gap by absorbing and abolishing all sludge particles as per BS-66-1963 including topping up with new transformer oil as required complete all as specified and directed by Engineer-in-Charge. Note- (i) Centrifuging Machine with all T&P & testing machine of oil required for dehydration shall be arrange by contractor. (ii) Oil required for topping up the stablizer will be measured & paid separately as supply only under respective item of this Sch.

Supplying and topping up transformer oil low viscocity, dielectric strength 35 to 40 kV breaking voltage for topping up servo voltage stablizers duly centrifuging including filter action by using automatic centrifuging machine to achieve min 35 to 40 KV breaking capacity at 4 mm gap by absorbing and abolishing all sludge particles for use as per BS-B-66-1983 complete all as specified and directed by Engineer-in-Charge.

Excavation in trenches in any type of soil not exceeding 1.5 Metre deep and not exceeding 1.5 metre width and getting out including forming bottom surface & sides to required slope/size for laying of pipes/cables complete all as specified and directed by Engineer-in-Charge.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc. 25 cm thick in each layer as in disintegrated rock complete all as specified and directed by Engineer-in-Charge.

Removing surplus excavated material (SOIL) to a distance not exc. 50 m and depositing where directed at a level not exc. 1.50 m above the starting point complete all as specified and directed.

Material & labour for sand filling with clean dry fine sand unwashed including gently punning around cables in trenches for cable protection complete all as specified and directed by Engineer-in-Charge. (Note : only punned down volume of sand to be measured)

Supplying & Laying reinforced precast concrete cable protection covers of class LV, type-2, flat, of size 300mm x 180mm x 40mm conforming to IS perpendicular to the axis of the cable, for protection of cable including taking out old unserviceable one complete all as specified and directed.

Material & labour for road cutting for laying of GI pipe of size 150mm bore for cable protection, including filling the trench and making good the disturbed surface with PCC 1:1.5:3 type A1 (using 20 mm graded aggregate) on top of road surface and leaving in good condition complete all as specified and directed.

Supply and laying GI tubing light grade 150 mm bore under road crossing or on poles for protection of cable including taking out old unserviceable one complete all as specified and directed. (Make : JINDAL/ TATA/ PRAKASH/ OSWAL)

M&L for earthing complete with galvanised steel earth plate electrode 60cmx60cmx6mm thick, burried directly in ground (earth pit not less than 2.25 meters deep below ground level) with top edge of the plate not less than 1.5 meters below normal ground level, connected to galvanised earth lead by means of bolts, nuts, check nuts and washer of galvanised iron strip 25 x 4mm as earth lead as shown in electrical plate No. 3 of SSR Part I connected to earthing test point all as specified or indicated including testing on completion including necessary excavation and earth work in soft/loose soil, returning filling, disposal od surplus soil, earth pit in PCC 1:3:6 type C-1 using 20mm graded stone aggregate pit, funnel, 20mm bore GI tubing medium grade for watering pipe, 40mm bore medium grade GI pipe for protection of GI earth strip and pre-cast earth pit cover 50mm thick made of RCC (1:1.5:3) tyep A1 duly reinforced with 8mm dia TMT bar @ 100 mm c/c both ways, one lifting handle made out of 10mm dia TMT bar 250mm long embedded in cover slab and cover, wire, copper lugs etc mesh, charcoal and common salt in alternate layer of 15 cm thick including taking down old unserviceable one complete all as specified and directed by Engr-in-Charge. (Note : Each protection pipe and earth lead upto & including 7.5 m length is deemed to be included in unit quoted rate of this item)

Supply and fixing earth continuity conductor or main earthing lead (GI strip) of size 32 x 6 mm fixed to plinth or buried in ground or drawn in GI pipe or any other situation as indicated for loop earthing etc including taking donwn old unserviceable one complete all as specified and directed.

Dismantling the old broken water tank of 10000 litres capacity Supply & fixing of rotational moulder polythylene water storage tank (three layers) of capacity 10000 Ltrs including making all water connections by making hole of required size, washers etc complete all as specified and directed by Engineer-in-Charge. (Make-Sintex/Polycon/ Oriplast/ Jindal)

M&L for disconnecting all elecrical connections of defective, checking the complete APFC panel from authorized engineer of P2 Power Solutions Private Limited (OEM of the APFC Panel) removing the defective parts and fixing the new parts, including making all electrical connections after repair, commissioning and testing for satisfactory working complete all as specified and directed by Engineer-in-Charge. (Note :- defective parts required to be replaced shall be measured and paid separately under relevant items).

Supply ony Ripple Capacitor 50 UT. (Make - EPCOS or equivalent as approved by Accepting Officer) Note :- To be fixed under item No. 78.

Supply only Ripple Resistance 100W. (Make - EPCOS or equivalent as approved by Accepting Officer) Note :- To be fixed under item No. 78.

Material and labour for plain cement concrete 1:2:4 type B-1 (using 20mm graded stone aggregate) as in foundation, filling and mass concrete including demolition of existing foundation and removing from site complete all as specified and as directed.

Supply and fixing in repair of HRC fuse link, type HN, Cap 200 Amps complete all as specified and directed by Engr-in-Charge. (Make:-L&T Cat No. SK94232 or euivalent model/ cat No. of make Siemens/Legrand/ C&S/ABB).

Supply and topping up Refrigerator Gas R-22 complete all as specified & directed by Engr-in-Charge. (Make:- Mefron/ Floron/ Refron.)

Supply and topping up Compressor Oil N-68 complete all as specified & directed by Engr-in-Charge. (Make:- HPCL(Seetal)/ HP (Seetal)/ Servo.)

Supply and topping up Refrigerator Gas R-134A complete all as specified & directed by Engr-in-Charge.(Make:- Mefron/ Floron/ Refron.)

Dismantling unserviceable ducting from walls, roofs, ceiling for repair /patch work /replacement complete all as specified and directed by Engr-in-charge.

Supply, assemble and errection of ducting, made up of GI Sheets of 1mm (20 guage) thickness as in Air Condition Ducting including fabrication for required size, patch work, fixing on walls, roofs or ceiling or in existing iron frame work including all accessories such as Corner, Cleat, Carriage bolt, Gasket, lap joint, welding, reverting and appropriate sealant on longitudinal joints etc. complete all as specified and as directed by Engr-in-charge. (Location:- HQ DGIS, CAMS IAHQ Singnal Enclave and HQ Delhi Area Signal Centre) (Make:- TATA/ JINDAL/ SAIL).

Material and Labour for 50mm thick fibre glass wool insulation in existing ducts of AC plants bonded with Aluminium foil, including wraping, pasting complete and cover the insulation one side with GI wire Mess netting after cleaning the duct surface (to be insulated ) by scrapping carefully with wire brush etc. to make the surface completely free of millscale, dirt, dust, grease and other foreign materials, taking special care so that all duct joints are sealed against any leakage including taking down old unserviceable glass wool insulation from existing duct complete all as directed by Engr-in-Charge. (Make:- Shri Fire Pack/ Impex Insulation/ Trans Insulation).

Material and Labour for frame work with angle iron for frame support, with fabrication, welding joining including cutting tops to shape as directed, drilling holes, notching for wire, etc.; flat iron fillets (for securing wire mesh etc.) including all necessary drilling, bolting or riveting, etc., and similar work conforming to Fe-290 Gde E-165 including taking down old unserviceable one complete all as specified and as directed by Engr-in-charge.

M & L for brick work with sub class 'B' bricks, locally available best quality laid straight or curved on plan exc. 6.00 m mean radius built in cement mortar 1:4 including demolition of existing brick work complete all as specified and directed by Engr-in-Charge.

Material & Labour for 15 mm thick rendering in cement mortar 1:4 on fair faces of brick work or concrete surfaces finished even and smooth without using extra cement complete all as specified and directed.

Material & Labour for preparation of new plastered surface of wall and applying two coats of white wash complete all as specified and directed.

P S TRADERS